How to use emoji reactions on WhatsApp, Telegram, and Signal

WhatsApp is finally rolling out one of its smallest but most awaited features — chat reactions. That’s right: now you can use emoji to react to a message in individual and group chats, without having to start a new reply. The messaging service is pretty late to the party, as other apps like Telegram, Signal, and Slack have had this feature for a while. Before using this feature, make sure you update your app from the Apple App Store or Google Play Store. Once you’re done, here